Question

calculate arcsin 1, without using calculator

Answer 1

\[\arcsin(1) = \theta\]where \[\sin\theta = 1\]
What is the first value of \(theta\) you encounter on your unit circle where \(\sin \theta = 1\)?

Answer 2

90?

Answer 3

Correct.

Answer 4

as long as that is 90 degrees. just plain 90 is incorrect, as without an indication to the contrary, arguments to the trig functions are assumed to be in radians.

Answer 5

thank you for your help. i appreciate it